What is the procedure to measure the insulation resistance of ATV71 drive.
Insulation resistor to earth:
The insulation resistor measurement is done at 500Vdc during 1mn between supply terminals “A”(All input / output terminals shorted) and D(earth).
IMPORTANT:
The drive must be prepared (power terminals shorted L1,L2,L3,U,V,W,PO,PA,PC) and placed upon an isolated support.
The measurement is done between shorted groups “A” and “D”earth with a voltage of 500 Vdc.
A (Power terminals) and D (Earth)
(Standard -> 1Mohm minimum).
The insulation resistor measurement is done at 500Vdc during 1mn between supply terminals “A”(All input / output terminals shorted) and D(earth).
IMPORTANT:
The drive must be prepared (power terminals shorted L1,L2,L3,U,V,W,PO,PA,PC) and placed upon an isolated support.
The measurement is done between shorted groups “A” and “D”earth with a voltage of 500 Vdc.
A (Power terminals) and D (Earth)
(Standard -> 1Mohm minimum).
Released for: Schneider Electric India
